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svlad2 [7]
3 years ago
8

PLEASE HELP ME ASAP !!!! Explain the evidence (4 parts) for evolution? Complete answer please

Biology
1 answer:
ivanzaharov [21]3 years ago
5 0

First of all, let us remember that "fitness" is defined as living enough to reproduce. If an organism has survived long enough to reproduce, it has done its part as far as survival is concerned, and id deemed "fit".

1) There is a struggle to survive. LIFE IS HARD. Survival is affected by limited resources, predators, and environmental factors. Organisms must compete with other organisms to obtain the necessary resources to survive. Organisms must evade predators and find successful ways to survive in challenging environments. Many more offspring are produced than those who stay alive long enough to reproduce themselves. Some offspring survive to adulthood and reproduce, many do not.

2) Traits in offspring are inherited from their parents.

3) There is variation in these inherited traits in the offspring. Most individuals among the offspring will not be identical to each other or their parents, but at the same time will carry the traits of their parents.

4) As conditions change, variations in traits may become more favorable than others for survival. Individuals who have the traits that enable them to survive and reproduce will pass these traits down to the next generation. Go back to step #1.

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8. The letter p in the term pH stands for the German word
pychu [463]

Answer:

Here's what I get  

Explanation:

Per the above explanation, pH means "power of hydrogen ions."

The concentration of hydrogen ions is a measure of the acidity of a solution. A higher concentration represents a more acidic solution.

The definition of pH is

pH = -log[H⁺]

Thus, pH is a measure of the hydrogen ion concentration.

The more negative the pH, the greater the Potenz of hydrogen ions.

6 0
3 years ago
In a small hospital in yokadouma, cameroon, a 24-year-old woman named prudence died in childbirth. which would not be considered
Misha Larkins [42]

Options for the question have not been given. They are as follows:

A. a lack of urban health care capacity

B. cultural disregard for women and women's health

C. prudence's family medical history

D. a lack of previous medical problems

Answer:

C. prudence's family medical history

Explanation:

Sociological factors include the factors related to human society. These factors stem from the way a society functions and effects the people which are a part of it. The way the society is structured and developed, impacts the people.

Prudence died during childbirth. There can be many sociological causes of her death like low status of women or poor medical facilities in her society. However, her family medical history will not be considered a sociological factor. Family medical history also depends on other factors like genetic composition of the family which is not a sociological factor.  

8 0
3 years ago
In the F2 generation of a dihybrid cross two phenotypes appear in the ratio 1:1. two phenotypes appear in the ratio 3:1. four ph
Bezzdna [24]

Answer:

four phenotypes appear in the ratio 9:3:3:1

Explanation:

<em>For a dihybrid cross in which the two genes concerned obey simple dominant/recessive law and are independently assorting, </em><em>four phenotypes are produced in the ratio 9:3:3:1. </em>

The dominant gene takes up the largest ratio (9/16) while the recessive gene takes up the smallest (1/16). Any deviation from 9:3:3:1 and the number of phenotypes produced from a dihybrid cross is an indication that the genes involved do not obey Mendelian laws.

8 0
3 years ago
Which of the following results when a person’s hand is near an open flame?
Ede4ka [16]

Given what we know, we can confirm that when a person's hand is near an open flame, the brain is required to integrate incoming and outgoing information. Option C is correct.

<h3>What happens when a person's hand is near a flame?</h3>

We can say that the information from the heat being generated by the flame is received by sensory neurons in the person's hand. This information generates a pain response which is integrated as incoming information in the brain, which then produces a motor response to move the hand away from the flame, as an outgoing signal.

Therefore, we can confirm that when a person's hand is near an open flame, the brain is required to integrate incoming and outgoing information. Option C is correct.

To learn more about neurons visit:

brainly.com/question/9401108?referrer=searchResults

6 0
3 years ago
Someone help me it is very important
kolbaska11 [484]
Its the first answer
3 0
3 years ago
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